Effect of substrate on thermal conductivity of single-walled carbon nanotubes

被引：17

作者：

Savin, A. V. ^{[1
,2
]}

Kivshar, Y. S. ^{[2
]}

Hu, B. ^{[3
,4
,5
]}

机构：

[1] Russian Acad Sci, Semenov Inst Chem Phys, Moscow 119991, Russia

[2] Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 0200, Australia

[3] Hong Kong Baptist Univ, Dept Phys, Hong Kong, Hong Kong, Peoples R China

[4] Hong Kong Baptist Univ, Ctr Nonlinear Studies, Hong Kong, Hong Kong, Peoples R China

[5] Univ Houston, Dept Phys, Houston, TX 77204 USA

来源：

EPL | 2009年 / 88卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

MOLECULAR-DYNAMICS; HEAT-CONDUCTION; LENGTH;

D O I：

10.1209/0295-5075/88/26004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We analyze numerically the thermal conductivity of single-walled carbon nanotubes placed on a. at rigid substrate. We demonstrate that the character of thermal conductivity depends crucially on the interaction between the nanotube and the substrate. In particular, we reveal that unlike the well-established anomalous thermal conductivity of isolated carbon nanotubes, the nanotube placed on a substrate demonstrates normal thermal conductivity due to the appearance of a narrow gap in the frequency spectrum of acoustic phonons. Copyright (c) EPLA, 2009

引用

页数：6

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